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Jason P. Evans

@jasonpevans

Climate scientist with particular interest in regional climate change, water resources, climate hazards and risks. All opinions are my own.

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14.11.2024
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Latest posts by Jason P. Evans @jasonpevans

It was a pleasure to give a talk to the CMIP community about handling observation uncertainty in model evaluation.

11.03.2026 04:32 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Submit your abstract for the 2026 Pan-GLASS Conference – deadline: 16 March 2026 (midnight UTC).

Join the land–atmosphere interactions community to boost collaboration, advance land–atmosphere science, and help shape international priorities.

www.gewexevents.org/meetings/gla...

09.03.2026 06:22 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Refining the Lagrangian approach for moisture source identificationΒ through sensitivity testing of assumptions usingΒ BTrIMS1.1 Abstract. Moisture is the fundamental basis for precipitation, and understanding the sources of moisture is crucial for comprehending changes in precipitation patterns. Lagrangian models have been emp...

Congratulations to our PhD student Yinglin Mu for her first PhD paper that makes recommendations on how to best configure back-trajectory models to identify water source regions πŸ§ͺ
gmd.copernicus.org/articles/19/...

08.03.2026 06:29 πŸ‘ 15 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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Methodological sensitivities when identifying dryland degradation: case studies from two Australian regions Quantifying dryland degradation is crucial for effective land management. Remote sensing data offers continuous observational records of dryland veget…

New work led by our PhD student Xinyue Zhang shows that identifying dryland degradation is sensitive to the rainfall dataset and the resolution of the vegetation dataset chosen - so consider these datasets carefully πŸ§ͺ
www.sciencedirect.com/science/arti...

08.03.2026 06:20 πŸ‘ 11 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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Extreme Coastal Waves Due To Australian East Coast Lows in a Warming Climate Extreme coastal waves from 12 historically significant East Coast Lows simulated in a warming climate Modest decrease in nearshore wave height, wave period and cumulative wave power projected alo...

This work (led by our PhD student Aditya Deshmukh) shows that if a series of recent extreme East Coast Lows (off Australia's east coast) were to occur in a warmer climate they would not produce higher peak wave heights - good news for the region agupubs.onlinelibrary.wiley.com/doi/10.1029/...

08.03.2026 06:00 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Did you miss the Jan. 31 deadline for the ECR competition at the 2026 Pan-GLASS Conference?
Good news: entries are now accepted until 16 Feb. 2026. Submit your application and secure your spot at this one of a kind Conference.
Information and registration gewexevents.org/meetings/glass

02.02.2026 13:40 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Some good news in the transition away from fossil fuels

29.01.2026 06:56 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I'm very happy to see this study, led by Moutassem El Rafei, of the generation of extreme wind gusts published. Model resolution of ~200m is needed to capture this phenomena agupubs.onlinelibrary.wiley.com/doi/epdf/10.... @andrewb31.bsky.social

23.12.2025 03:28 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Not Prof, I meant proud.

19.12.2025 20:53 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I'm Prof to have played a small part in writing this book. A great resource for anyone interested in the Southern hemisphere. Congrats to Andrea and team

19.12.2025 20:51 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

This is some very nice work by our PhD student Alex (Ying Lung)

10.12.2025 00:59 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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For day 7 of our #PLOSClimateCountdown, check out this 'behind the paper' blog post in which we learn more about research by Nic Badullovich and colleagues:

"Behind the paper: the role of museums in engaging the public on climate change"

πŸ”— latitude.plos.org/2025/03/behi...

07.12.2025 17:53 πŸ‘ 2 πŸ” 3 πŸ’¬ 1 πŸ“Œ 1
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On day 4 of our #PLOSClimateCountdown, we're highlighting a Review article by @garethphoenix.bsky.social and colleagues:

"Browning events in Arctic ecosystems: Diverse causes with common consequences"

πŸ”— journals.plos.org/climate/arti...

04.12.2025 08:37 πŸ‘ 5 πŸ” 3 πŸ’¬ 1 πŸ“Œ 1
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Today's #PLOSClimateCountdown pick is an Editorial by @lilyhsueh.bsky.social, Florian Egli, @lisgilmore.bsky.social, Anjal Prakash, Anamika Barua and @profangelhsu.bsky.social:

"Confronting challenges and opportunities in climate policy and governance"

πŸ”— journals.plos.org/climate/arti...

05.12.2025 10:18 πŸ‘ 3 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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On the sixth day of our #PLOSClimateCountdown, we're featuring a Mini Collection on Emerging Themes in Climate Obstruction, coordinated by Academic Editor @mgrasso.bsky.social

πŸ”— latitude.plos.org/2025/03/emer...

@cssn.org @alainakinol.bsky.social @jenniecstephens.bsky.social

06.12.2025 08:14 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 1
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Proud of our CCRC and @21stcenturyweather.bsky.social scientist team in Paris this week at the IPCC AR7 Lead Author meeting: @jasonpevans.bsky.social @melissatraveler.bsky.social, @sarahinscience.bsky.social, @juliearblaster.bsky.social, @nicolamaher.bsky.social & Jo Brown! Big things coming for AR7

04.12.2025 01:20 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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To kick off, a study by Hettie Moorcroft, @samhampton.bsky.social and @lwhitmarsh.bsky.social, handled by @mfair.bsky.social:

"Climate change and wealth: understanding and improving the carbon capability of the wealthiest people in the UK"

πŸ”— journals.plos.org/climate/arti...

#PLOSClimateCountdown

01.12.2025 08:32 πŸ‘ 6 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0

It's great to be part of this historic event. This is just the start of the process to produce the next round of assessment reports to guide action on climate change.

02.12.2025 05:35 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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πŸ“£ PRESS RELEASE

#IPCC authors meet in Paris πŸ‡«πŸ‡· to begin drafting the Seventh Assessment Report

More than six hundred experts appointed to the three Working Groups of the IPCC are gathering in Paris this week to draft IPCC’s Seventh Assessment Report.

πŸ”— bit.ly/4ir09cC

01.12.2025 09:45 πŸ‘ 61 πŸ” 22 πŸ’¬ 1 πŸ“Œ 4
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Save the Date Pan-GLASS 2026
Back to the Drawing Board: From Fundamentals to Improved Models of the Coupled Land-Atmosphere System

This meeting aims to improve understanding and modeling of land-atmosphere interactions across scales and disciplines.

www.gewexevents.org/meetings/gla...

18.10.2025 15:29 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Apply now!
Open Call: Event Attribution Working Group

WCRP’s Global Extremes Platform (GEP) is looking for new members for its Working Group on Event Attribution. This group helps shape how we understand the role of climate change in extreme events.

More information: https://loom.ly/L3EBvlE

16.10.2025 07:05 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

I'm happy to represent GEWEX and CORDEX at the Pan-CLIVAR meeting. Lots of great ocean related research happening in this community!

26.09.2025 02:02 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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The influence of lateral flow on land surface fluxes in southeast Australia varies with model resolution Abstract. Land surface models (LSMs) used in climate models typically represent surface hydrology as one-dimensional vertical fluxes, neglecting the lateral movement of water within and between grids....

We just published a paper that shows including lateral flow of soil moisture matters for climate once you get down to km-scale modelling of the land surface. More and more of our work is at these scales so we need to start including processes like this. πŸ§ͺ
hess.copernicus.org/articles/29/...

21.09.2025 22:28 πŸ‘ 28 πŸ” 12 πŸ’¬ 0 πŸ“Œ 0
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Hasn’t the climate always changed?

More info about WCRP on our website

#WCRP #ClimateChange #GlobalWarming #ScienceExplained #ClimateAction #SustainableFuture

21.08.2025 05:30 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
LinkedIn This link will take you to a page that’s not on LinkedIn

We are hosting a Masterclass for our partners and stakeholders from government and industry! Deepening your knowledge and understanding of weather and climate science! πŸŽ“

πŸ“Œ UNSW Law Theatre, Sydney
⏱️ Tue 2 Sep: 9:30am-5pm
πŸ’΅ Free to attend
Register here: lnkd.in/gCUMhpuv
Agenda here: lnkd.in/gHdZHMj8

22.08.2025 00:24 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Did you catch the latest issue of the GEWEX Quarterly? It's up on our website at www.gewex.org/gewex-conten..., and this edition talks about Arctic mixed-phase clouds in models, the ORCESTRA field campaign, the InPRHA initiative to improve multi-hazard flood forecasting systems, and more!

19.08.2025 17:21 πŸ‘ 5 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Mapping urban dynamics in Greater Sydney – A scalable multi-decadal local climate zone classification approach Urbanization has significantly altered land surface properties, leading to changes in local micro-climates and impacts on regional climate. To understand these changes, long-term, precise urban land u...

Congrats to Shankar Sharma on his first PhD paper dx.plos.org/10.1371/jour...
He develops a method to track changes in urban land over time. Sydney Australia shows a clear increase in the denser, higher urban zones. πŸ§ͺ
@neginnazarian.bsky.social @mlip.bsky.social

11.08.2025 00:56 πŸ‘ 11 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Next up, David Bee Olmedo from @nsw-bnhrc.bsky.social and @ccrc.bsky.social discusses scaling of extreme rainfall with temperature calculated using radar data.

08.08.2025 03:52 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Greeshma Surendran from @ccrc.bsky.social uses pseudo-global warming models to look at changes in extreme wind gusts.

08.08.2025 04:10 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Outrage over Trump team’s climate report spurs researchers to fight back Report authors welcome β€˜serious’ scientific rebuttals to report that some say misrepresents decades of climate science.

β€œThis little report is basically designed to suppress science, not to enhance it or encourage it”

Researchers say that the report misrepresents decades of climate science
go.nature.com/3J4TOWD

08.08.2025 12:12 πŸ‘ 62 πŸ” 17 πŸ’¬ 2 πŸ“Œ 5